Here are some simple steps to make google docs landscape page orientation.
Step 1. Start by opening the Google Docs on your browser.
Step 2. Then open the file for which you want to change page orientation in google docs.
Step 3. When the file opens click on the File menu found at the left corner on the page within the toolbar.
Step 4. After that from the drop-down list, you will see the Page Setup option. As shown in the image below:
Step 5. Tap on that option.
Step 6. It will open a new dialogue box for you showing many options like margins, page color, size, etc. for page setup.
Step 7. From this same panel, you have to select the Landscape option which will help you to change landscape google docs. As shown in the image below:
Step 8. Lastly, you just click on the OK button found at the bottom of the box.
Step 9. You will see that the page setup of your document has successfully changed to a new orientation now.